KPGCET-CSE-2019-2

Question

In relational DBMS, the closure of functional dependencies facilitates 

• A.  To determine the candidate key 
• B. To determine the foreign key 
• C. To determine the dependency of an attribute with other attribute/s 
• D. None of these

Comments

A and C

Answer 1

the closure of Functional dependencies determines the Candidate key.If the closure determine all the attributes then this determinat (LHS) of the functional dependency become a Candidate key.

Hence the option A is correct.